Electrical stimulation device



FIG. 1 is a perspective view of an electrical stimulation device showing our new design;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the figures are included for the purpose of illustrating portions of an electrical stimulation device and form no part of the claimed design. 

CLAIM The ornamental design for an electrical stimulation device, as shown and described. 